Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS

SPADNS, extra spezial

Synonyms: 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt · Trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate · 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-sulfophenyl)azo)-, trisodium salt · 2(4Sulfophenylazo)chromotropic acid trisodium salt

CAS No.23647-14-5
FormulaC16H9N2Na3O11S3
Mol. weight570.40
Catalogue No.VQ-046640
PurityOn COA
HSN29270090

SPADNS, extra spezial (CAS 23647-14-5) – biological stain. C16H9N2Na3O11S3, MW 570.4. Supplied by Vaqora Chemicals with COA, exported worldwide.

Pack sizesPrice on quotation · bulk available
25 g
100 g
500 g
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About SPADNS, extra spezial

SPADNS, extra spezial (CAS 23647-14-5) is a biological stain offered by Vaqora Chemicals. Its molecular formula is C16H9N2Na3O11S3 and its molecular weight is 570.4 g/mol.

Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span histology and cytology staining, microscopy and clinical laboratories. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies SPADNS, extra spezial in 25 g, 100 g and 500 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product nameSPADNS, extra spezial
Catalogue No.VQ-046640
CAS Number23647-14-5
IUPAC nametrisodium;4,5-dihydroxy-3-[(4-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate
Molecular formulaC16H9N2Na3O11S3
Molecular weight570.4 g/mol
Exact mass569.9062
HSN code29270090
InChIKeyAEHGQXKBQBMQEK-UHFFFAOYSA-K
SMILESC1=CC(=CC=C1N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].[Na+].[Na+].[Na+]
PubChem CID90221
Physical properties
Physical formOther
H-bond donors / acceptors2 / 13
TPSA262 Ų
Synonyms2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt, Trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-sulfophenyl)azo)-, trisodium salt, 2(4Sulfophenylazo)chromotropic acid trisodium salt, 4,5Dihydroxy32,7naphthalenedisulfonic acid trisodium salt, 4,5Dihydroxy32,7naphthalenedisulfonic acid sodium salt (1:3), Trisodium 2(psulfophenylazo)1,8dihydroxynaphthalene3,6disulfonate, 1,8Dihydroxy2(4sulfophenylazo)naphthalene3,6disulfonic acid trisodium salt, 2(4Sulfophenylazo)1,8dihydroxy3,6napthalenedisulfonic acid trisodium salt, Trisodium 4,5dihydroxy3(4sulphonatophenylazo)naphthalene2,7disulphonate, 2,7Naphthalenedisulfonic acid, 4,5dihydroxy3((4sulfophenyl)azo), trisodium salt, 2,7Naphthalenedisulfonic acid, 4,5dihydroxy3(2(4sulfophenyl)diazenyl), sodium salt (1:3)

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant

Signal word: Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 23647-14-5

Frequently asked questions

What is the CAS number of SPADNS, extra spezial?

The CAS Registry Number of SPADNS, extra spezial is 23647-14-5. It is also known as 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-sulfophenyl)azo]-, trisodium salt, Trisodium 4,5-dihydroxy-3-(4-sulphonatophenylazo)naphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-((4-sulfophenyl)azo)-, trisodium salt.

What is the molecular formula and molecular weight of SPADNS, extra spezial?

SPADNS, extra spezial has the molecular formula C16H9N2Na3O11S3 and a molecular weight of 570.4 g/mol.

Which grade and pack sizes of SPADNS, extra spezial can I order?

We supply SPADNS, extra spezial, in 25 g, 100 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with SPADNS, extra spezial?

Yes. Every lot of SPADNS, extra spezial is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can SPADNS, extra spezial be shipped internationally?

Yes. SPADNS, extra spezial is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about SPADNS, extra spezial

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

XTT sodium salt chemical structure
XTT sodium salt
CAS
111072-31-2
Formula
C22H16N7NaO13S2
MW
673.5 g/mol
VQ-046730
Alizarine chemical structure
Alizarine
CAS
72-48-0
Formula
C14H8O4
MW
240.21 g/mol
VQ-046786

More in Stains, Fluorescent Dyes & Histology Reagents →